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PIETRE | STONES |
MARMI, ORIGINE E CARATTERISTICHE | MARBLE, ORIGIN AND CHARACTERISTICS |
GRANITI | GRANITES |
TALCO (Silicati) | TALC |
TRAVERTINO | TRAVERTINE |
ARDESIA | SLATE |
ARENARIA | SANDSTONE |
CALCARE | LIMESTONE |
GHIAIA E SABBIA | GRAVEL AND SAND |
ARGILLA E CAOLINO | POTTER'S CLAY AND KAOLIN |
SALI | SALTS |
ZOLFO | SULPHUR |
POMICE ED ABRASIVI | PUMICE AND BRUISERS |
QUARZI, SABBIE SILICEE | QUARTZ, SILYCON SANDS |
ALOGENURI | HALOGENIDES |
ALLUMINA | |